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221 lines (169 loc) · 4.49 KB
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"use strict";
var utils = require("../../lib/jsdom/utils");
exports["defineSetter defines a setter"] = function (t) {
var o = {};
var called = false;
var expected = "bar";
var actual;
utils.defineSetter(o, "foo", function (val) {
called = true;
actual = val;
});
o.foo = expected;
t.equal(called, true);
t.equal(actual, expected);
t.done();
};
exports["defineSetter replaces existing setters"] = function (t) {
var o = {};
var originalCalled = false;
var newCalled = false;
utils.defineSetter(o, "foo", function () {
originalCalled = true;
});
utils.defineSetter(o, "foo", function () {
newCalled = true;
});
o.foo = true;
t.equal(originalCalled, false);
t.equal(newCalled, true);
t.done();
};
exports["defineSetter does not remove existing getters"] = function (t) {
var o = {};
var called = false;
var expected = "bar";
var actual;
utils.defineGetter(o, "foo", function () {
called = true;
return expected;
});
utils.defineSetter(o, "foo", function () { /* NOP */ });
actual = o.foo;
t.equal(called, true);
t.equal(actual, expected);
t.done();
};
exports["defineGetter defines a getter"] = function (t) {
var o = {};
var called = false;
var expected = "bar";
var actual;
utils.defineGetter(o, "foo", function () {
called = true;
return expected;
});
actual = o.foo;
t.equal(called, true);
t.equal(actual, expected);
t.done();
};
exports["defineGetter replaces existing getters"] = function (t) {
var o = {};
var originalCalled = false;
var newCalled = false;
utils.defineGetter(o, "foo", function () {
originalCalled = true;
});
utils.defineGetter(o, "foo", function () {
newCalled = true;
});
/*jshint -W030 */
o.foo;
t.equal(originalCalled, false);
t.equal(newCalled, true);
t.done();
};
exports["defineGetter does not remove existing setters"] = function (t) {
var o = {};
var called = false;
var expected = "bar";
var actual;
utils.defineSetter(o, "foo", function (val) {
called = true;
actual = val;
});
utils.defineGetter(o, "foo", function () { /* NOP */ });
o.foo = expected;
t.equal(called, true);
t.equal(actual, expected);
t.done();
};
exports["createFrom returns an object with the given [[Prototype]]"] = function (t) {
var proto = {};
var o = utils.createFrom(proto);
t.strictEqual(Object.getPrototypeOf(o), proto);
t.done();
};
exports["createFrom returns an object extended with the given properties"] = function (t) {
var properties = {
get accessor() {},
set accessor(value) { /*jshint unused: false */ },
foo: "bar"
};
Object.defineProperties(properties, {
frozen: {
value: "brrr",
configurable: false,
writable: false
},
hidden: {
value: "shhh",
enumerable: false
}
});
var o = utils.createFrom({}, properties);
Object.getOwnPropertyNames(o).
forEach(function (name) {
t.deepEqual(Object.getOwnPropertyDescriptor(o, name),
Object.getOwnPropertyDescriptor(properties, name),
name + " descriptors should be deeply equal"
);
});
t.done();
};
exports["inheritFrom sets Subclass.prototype to an object w/ [[Prototype]] Superclass.prototype"] = function (t) {
function Subclass(){}
function Superclass(){}
utils.inheritFrom(Superclass, Subclass);
t.strictEqual(Object.getPrototypeOf(Subclass.prototype),
Superclass.prototype);
t.done();
};
exports["inheritFrom sets Subclass.prototype.constructor to Subclass"] = function (t) {
function Subclass(){}
function Superclass(){}
utils.inheritFrom(Superclass, Subclass);
t.strictEqual(Subclass.prototype.constructor, Subclass);
t.done();
};
exports["inheritFrom extends Subclass.prototype with the given properties"] = function (t) {
function Subclass(){}
function Superclass(){}
var properties = {
get accessor() {},
set accessor(value) { /*jshint unused: false */ },
foo: "bar"
};
Object.defineProperties(properties, {
frozen: {
value: "brrr",
configurable: false,
writable: false
},
hidden: {
value: "shhh",
enumerable: false
}
});
utils.inheritFrom(Superclass, Subclass, properties);
Object.getOwnPropertyNames(Subclass.prototype).
forEach(function (name) {
t.deepEqual(
Object.getOwnPropertyDescriptor(Subclass.prototype, name),
Object.getOwnPropertyDescriptor(properties, name),
name + " descriptors should be deeply equal"
);
});
t.done();
};